| Official Name: | Olkhovatka |
| Native Name: | Ольховатка |
| Native Name Lang: | ru |
| Settlement Type: | Selo |
| Pushpin Map: | Russia Voronezh Oblast#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Type1: | Region |
| Subdivision Name1: | Voronezh Oblast |
| Subdivision Type2: | County |
| Subdivision Type3: | District |
| Subdivision Name3: | Verkhnemamonsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +3:00 |
| Coordinates: | 50.1667°N 45°W[1] |
Olkhovatka (Russian: links=no|Ольховатка) is a rural locality (a selo) and the administrative center of Olkhovatskoye Rural Settlement, Verkhnemamonsky District, Voronezh Oblast, Russia. The population was 929 as of 2010.[2] There are 11 streets.[3]
Olkhovatka is located 29 km west of Verkhny Mamon (the district's administrative centre) by road. Staraya Kalitva is the nearest rural locality.[4]